THE SILENT CITY

Five months after the Deep Foundation is confirmed and formally placed under international stewardship, a routine survey turns up a signature at a depth the network's own boundary should have made impossible. What Reza Sarwono's team finds beneath that boundary isn't another regulating node — it's a buried civic district, intact, silent, and built by a civilization that left behind not ruins, but instructions.

As engineering historian Naledi Mokoena begins translating an archive no one expected to be readable, the team confronts a discovery too significant for any single nation to claim, and a question none of them are prepared to answer: what happens when the deepest layer finally explains exactly what it was built to survive?